4865137940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18712069}}^1$

素因数の和:18712091

約数の個数: 24

約数和(自身を含む): 11002697160

約数和(自身を除く): 6137559220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 18712069, 37424138, 74848276, 93560345, 187120690, 243256897, 374241380, 486513794, 973027588, 1216284485, 2432568970, 4865137940]

約数ペア:

[(1, 4865137940), (2, 2432568970), (4, 1216284485), (5, 973027588), (10, 486513794), (13, 374241380), (20, 243256897), (26, 187120690), (52, 93560345), (65, 74848276), (130, 37424138), (260, 18712069)]